March 14 is Pi Day. This oddity will keep the celebration going a good part of the day.
Follow Open Culture on Facebook and Twitter and share intelligent media with your friends. Or better yet, sign up for our daily email and get a daily dose of Open Culture in your inbox.
If you'd like to support Open Culture and our mission, please consider making a donation to our site. It's hard to rely 100% on ads, and your contributions will help us provide the best free cultural and educational materials.
Pi in the Sky: The World’s Largest Ephemeral Art Installation over Beautiful San Francisco
How Pi Was Nearly Changed to 3.2 … and Copyrighted!
1000 Digits of Pi, Recited by Jane Barbe, Famous Voice of Telephone Company Recordings
Infinity Minus Infinity Equals Pi: This Video Proves It